air-pump

常见例句

用作名词 (n.)

• Vacuum packaging is produced by pumping all the air out of the package.
  真空的包装都是用抽气机把空气抽出的。
• In order to achieve this boost, the turbocharger uses the exhaust flow from the engine to spin a turbine, which in turn spins an air pump.
  为了获得这种性能的提升，涡轮增压机使用发动机排除的废气带动涡轮旋转，涡轮是一种旋转式的空气泵。
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